Abstract

All car manufacturers are recently required to develop the engine-hood for the purpose of protecting pedestrian heads. It is important to control the acceleration time history at the initial stage and late stage for pedestrian head protection. The engine-hood for pedestrian head protection needs to control local rigidity and whole rigidity by just one structure. To solve this problem we focus on inner panels which have a dominant role in absorbing energy. This study also aimed to evaluate that impact characteristics of inner panels adopting ZETA-stiffened panels improve pedestrian head protection by numerical analysis.

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